CN206146800U - Osmotic coefficient measuring device of soil - Google Patents
Osmotic coefficient measuring device of soil Download PDFInfo
- Publication number
- CN206146800U CN206146800U CN201621221657.1U CN201621221657U CN206146800U CN 206146800 U CN206146800 U CN 206146800U CN 201621221657 U CN201621221657 U CN 201621221657U CN 206146800 U CN206146800 U CN 206146800U
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- infiltration
- pressure
- soil
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- measuring
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model belongs to the technical field of soil body permeance property measuring device, concretely relates to osmotic coefficient measuring device of soil. Including hitting real part spare and infiltration part, hit real part spare and include support, compaction hammer, hydraulic stem, the inlet tube is connected including an infiltration section of thick bamboo and base, infiltration section of thick bamboo top one side to the infiltration part, connects gradually flowmeter and spherical valve on the inlet tube, and the below is equipped with the aqueduct, and the aqueduct connects gradually spherical valve and flowmeter, infiltration section of thick bamboo outer joint pressure -measuring pipe, pressure -measuring pipe and infiltration section of thick bamboo threaded connection, infiltration section of thick bamboo below, aqueduct top are equipped with the infiltration board, the infiltration barrel casing connects in the base, is equipped with clamp plate and spring layer in the base, the top on spring layer is located to the clamp plate, contradicts with the spring, and the one end of clamp plate links to each other with pressing the tongue, presses the link swing joint on tongue and the base outer wall. This device makes the sample can evenly be hit the reality through setting for the vibrations layer, increases spherical valve and flowmeter simultaneously, control flow speed, and the guarantee experiment is gone on smoothly.
Description
Technical field
The utility model belongs to soil body penetration performance measurement apparatus technical field, and in particular to a kind of infiltration coefficient of soil is surveyed
Amount device.
Background technology
Soil permeability (permeability ofsoils) refers to that water permeates the performance of flowing in soil pores.Characterize soil to ooze
Permeability index is infiltration coefficient.Water in soil is affected by water-head and stress and is flowed, and sand seepage flow is obeyed darcy and determined substantially
Rule.Because combining the viscous resistance of water, only hydraulic gradient increases to initial hydraulic gradient, overcomes viscid with reference to water cohesive soil
After resistance, water could permeate flowing in soil, and cohesive soil seepage flow does not meet Darcy's law.
The assay method of the infiltration coefficient (i.e. permeability index) of soil is a lot, can be summarized as direct method and the class of indirect method two：
Direct method includes that hydrostatic head method and variable water level method are tested, and the former is applied to the larger soil of permeability, the latter be applied to permeability compared with
Little soil；Indirect method includes being calculated according to consolidation test achievement and calculates according to particle size distribution that the former is applied to cohesive soil,
The latter is applied to cohesiveless soil.
Constant head permeameter is used in wherein hydrostatic head method detection, and it part and is hit real part and be grouped into by seeping water.Infiltration part
Be made up of stack shell, water permeating board, scale plate, pressure-measuring pipe etc., on scale plate be equipped with three pressure-measuring pipes, its spacing be 100 ±
0.44mm, the survey of water level reads to be read by the scale of the scale plate on the cylinder, copper wire cloth is respectively arranged with piezometer tube joint with
Prevent fine sand from flowing out with water at the trial.One osculum is arranged at infiltration cylinder bottom, and unclamping bolt can release sewage.Hit real part point
Wooden mallet is had, to hit real sample.
But existing constant head permeameter hits real sample using wooden mallet, uniformity it cannot be guaranteed that, and water velocity can not
Control, saturation is too slow if current are too little, and experimental period is oversize, and current then easily wash away sample very much greatly, and water layer etc. occurs in inside,
Many inconvenience are brought to experimentation, the data accuracy of test is also limited.
Utility model content
The technical problem that the utility model is solved is that existing constant head permeameter hits real sample, uniformity using wooden mallet
It cannot be guaranteed that, and water velocity can not control, and saturation is too slow if current are too little, and experimental period is oversize, and current are too big then easy
Sample is washed away, water layer etc. occurs in inside, to experimentation many inconvenience are brought, the data accuracy of test is also limited.
In order to solve the above problems, the utility model provides a kind of apparatus for measuring permeability coefficient of soil, by setting vibrations
Layer enables sample uniformly to be hit reality, while increasing globe valve and flowmeter, controls water velocity, ensures that experiment is smoothly entered
OK.
For achieving the above object, the utility model adopts the following technical scheme that, a kind of apparatus for measuring permeability coefficient of soil,
Including real part part and infiltration part is hit, real part part is hit including support, compaction hammer, hydraulic stem, support includes vertical frame and crossbearer, hydraulic pressure
Bar is vertically connected on cross bar, lower section connection compaction hammer, top connection pressing mechanism, can set pressure by pressing mechanism,
Carry out hitting real operation using hydraulic stem, pressure is balanced, and it is more uniform that sample is compacted；Infiltration part includes infiltration cylinder and bottom
Seat, infiltration cylinder is made up of transparent material, is easy to observation, barrel to be marked with scale；Infiltration cylinder openings of sizes matches with compaction hammer,
Slightly larger than compaction hammer, that realizes sample uniformly hits reality, it is to avoid edge Wei Jishier centers occurs and hits real situation, upper side connects
Water pipe is tapped into, flowmeter and globe valve are sequentially connected on water inlet pipe, flow of inlet water can be controlled by globe valve, lower section is provided with leads
Water pipe, aqueduct is sequentially connected globe valve and flowmeter, can control aqueduct switch by globe valve, is observed by flowmeter
Discharge；Connect 3 pressure-measuring pipes outside infiltration cylinder, pressure-measuring pipe is threadedly coupled with infiltration cylinder, cleaning easy to disassemble, and junction is provided with close
Seal and filter screen, sealing ring is socketed in outside pressure-measuring pipe, it is to avoid infiltration, and filter screen is located at the end being connected with infiltration cylinder of pressure-measuring pipe
Portion, prevents fine sand stone from blocking pressure-measuring pipe；Infiltration cylinder lower section, aqueduct top are provided with infiltration plate；Infiltration jacket casing is connected in base, with
Pressing plate is detachably connected, and pressing plate and spring layer are provided with base；Pressing plate is contradicted located at the top of spring layer with spring, pressing plate
One end is connected with pressure tongue, and pressure tongue is flexibly connected with the link on base outer wall；Spring layer is some in base bottom wall by being connected to
Uprighting spring is constituted, spring it is highly consistent, contradict with pressing plate under nature, when hitting practical operation and making, link does not connect with tongue is pressed
Connect, infiltration cylinder is connected with pressing plate, with pressing plate with hit practical operation make to be carried out in the presence of spring layer it is a certain degree of upper and lower
Vibrations, the sample layer vibrations of the loose sample layer of lower floor and upper strata compacting are uniform, when finally hitting practical operation several times and making, will can press
Plate is depressed, and with link pressure tongue is fixed, and makes pressing plate be compacted spring, releases the shock effect of spring, then carries out hitting reality, is reached and is hit completely
Real effect.
Further, the compaction hammer lower section is provided with a delineation position laser lamp, observed by laser lamp when practical operation is made hitting
Infiltration cylinder whether with compaction hammer accurate positioning, ensure that experiment is smoothed out.
Further, pressure-measuring pipe is marked with graduation mark, is easy to read pressure value.
Further, the vertical frame height adjustable of the support, is applicable to the sample of various thickness.
Specific operation process is as follows：
Before on-test, it is connected to after pressure-measuring pipe is cleaned out on infiltration cylinder.Infiltration is placed on by hit that actual load puts
Cylinder top, is positioned so that compaction hammer and infiltration cylinder are on same vertical plane by laser lamp.In sample preparation, paving is filled out suitable
Thickness soil sample, according to required Compaction Effort, sets suitable pressure, drives compaction hammer to complete to hit real action using hydraulic stem, hits reality
After the completion of, the pressure tongue of base is fixed with link and carry out again infiltration experiment.
The utility model has the advantage of：
1. carry out hitting practical operation work using hydraulic means, pressure is balanced, and it is more uniform that sample is compacted.
2. base is provided with spring layer, and hitting during reality the sample layer in the presence of spring layer carries out a certain degree of shaking up and down
Move, the sample layer vibrations of the loose sample layer of lower floor and upper strata compacting are uniform, and it is more uniform that sample is compacted.
3. globe valve and flowmeter are provided with, water velocity can be controlled, ensure that experiment is smoothed out.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described.
Fig. 1 is the structural representation that the utility model hits real part part；
Fig. 2 is the structural representation of the utility model infiltration part；
In figure, support 1, compaction hammer 2, hydraulic stem 3 permeates cylinder 4, base 5, scale 6, water inlet pipe 7, flowmeter 8, globe valve
9, aqueduct 10, pressure-measuring pipe 11 permeates plate 12, and pressing plate 13, spring layer 14 presses tongue 15, link 16.
Specific embodiment
It is new below in conjunction with this practicality to make purpose, technical scheme and the advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than the embodiment of whole.Based on the enforcement in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Embodiment 1:
A kind of apparatus for measuring permeability coefficient of soil, including real part part and infiltration part is hit, hitting real part part includes support 1, hits
Real hammer 2, hydraulic stem 3, support 1 includes vertical frame and crossbearer, and hydraulic stem 3 is vertically connected on cross bar, lower section connection compaction hammer 2, on
Side's connection pressing mechanism, can set pressure by pressing mechanism, carry out hitting real operation using hydraulic stem, and pressure is balanced, examination
It is more uniform that sample is compacted；Infiltration part includes infiltration cylinder 4 and base 5, and infiltration cylinder 4 is made up of transparent material, is easy to observation, cylinder
Wall is marked with scale 6；The infiltration openings of sizes of cylinder 4 matches with compaction hammer, and slightly larger than compaction hammer, that realizes sample uniformly hits reality,
Avoid the occurrence of edge Wei Jishier centers and hit real situation, connection water inlet pipe 7 in upper side is sequentially connected flow on water inlet pipe 7
Meter 8 and globe valve 9, can control flow of inlet water by globe valve, and lower section is provided with aqueduct 10, and aqueduct is sequentially connected globe valve
9 and flowmeter 8, aqueduct switch can be controlled by globe valve, discharge is observed by flowmeter；The outer connection 3 of infiltration cylinder 4
Pressure-measuring pipe 11, pressure-measuring pipe 11 is threadedly coupled with infiltration cylinder 4, and cleaning easy to disassemble, junction is provided with sealing ring and filter screen, sealing ring
It is socketed in outside pressure-measuring pipe, it is to avoid infiltration, filter screen prevents the blocking of fine sand stone from surveying located at the end being connected with infiltration cylinder of pressure-measuring pipe
Pressure pipe；The lower section of infiltration cylinder 4, aqueduct top are provided with infiltration plate 12；Infiltration cylinder 4 is socketed in base 6, is detachably connected with pressing plate 13
Connect, in base 6 pressing plate 13 and spring layer 14 are provided with；Pressing plate 13 is contradicted, the one of pressing plate 13 located at the top of spring layer 14 with spring
End is connected with pressure tongue 15, presses tongue 15 to be flexibly connected with the link 16 on the outer wall of base 6, link be connected on movable bolt can be
The annulus of vertical plane activity, its size matches with pressure tongue, can be socketed on pressure tongue；Spring layer is by being connected on the diapire of base 6
Some uprighting springs constitute, spring it is highly consistent, contradict with pressing plate under nature, when hitting practical operation and making, link 16 with
Pressure tongue be not connected to, infiltration cylinder 4 be connected with pressing plate, with pressing plate with hit practical operation work certain journey is carried out in the presence of spring layer
The vertical tremor of degree, the sample layer vibrations of the loose sample layer of lower floor and upper strata compacting are uniform, when finally hitting practical operation several times and making,
Pressing plate can be depressed, with link pressure tongue is fixed, make pressing plate be compacted spring, release the shock effect of spring, then carry out hitting reality, be reached
To hitting real effect completely.
Pressure-measuring pipe 11 is marked with graduation mark, is easy to read pressure value.
The vertical frame height adjustable of the support 1, is applicable to the sample of various thickness.
Embodiment 2：
The lower section of the compaction hammer 2 is provided with a delineation position laser lamp, is by laser lamp observation infiltration cylinder hitting when practical operation is made
No and compaction hammer accurate positioning, ensures that experiment is smoothed out.
Remaining is same as Example 1.
Specific operation process is as follows：
Before on-test, it is connected to after pressure-measuring pipe is cleaned out on infiltration cylinder.Infiltration is placed on by hit that actual load puts
Cylinder top, is positioned so that compaction hammer and infiltration cylinder are on same vertical plane by laser lamp.In sample preparation, paving is filled out suitable
Thickness soil sample, according to required Compaction Effort, sets suitable pressure, drives compaction hammer to complete to hit real action using hydraulic stem, hits reality
After the completion of, the pressure tongue of base is fixed with link and carry out again infiltration experiment.
Claims (4)
1. it is a kind of soil apparatus for measuring permeability coefficient, it is characterised in that：Including real part part and infiltration part is hit, hitting real part part includes
Support, compaction hammer, hydraulic stem, support includes vertical frame and crossbearer, and hydraulic stem is vertically connected on cross bar, lower section connection compaction hammer,
Top connection pressing mechanism；Infiltration part includes infiltration cylinder and base, and infiltration cylinder is made up of transparent material, and barrel is marked with quarter
Degree；Infiltration cylinder openings of sizes matches with compaction hammer, upper side connection water inlet pipe, and flowmeter and ball are sequentially connected on water inlet pipe
Shape valve, lower section is provided with aqueduct, and aqueduct is sequentially connected globe valve and flowmeter；Connect 3 pressure-measuring pipes, pressure-measuring pipe outside infiltration cylinder
It is threadedly coupled with infiltration cylinder, junction is provided with sealing ring and filter screen, and sealing ring is socketed in outside pressure-measuring pipe, filter screen is located at pressure-measuring pipe
With the end that is connected of infiltration cylinder；Infiltration cylinder lower section, aqueduct top are provided with infiltration plate；Infiltration jacket casing is connected in base, base
Inside it is provided with pressing plate and spring layer；Pressing plate is contradicted located at the top of spring layer with spring, and one end of pressing plate is connected with pressure tongue, presses tongue
It is flexibly connected with the link on base outer wall；Spring layer is made up of some uprighting springs being connected in base bottom wall, spring
It is highly consistent, contradict with pressing plate under nature.
2. the apparatus for measuring permeability coefficient of soil as claimed in claim 1, it is characterised in that：The compaction hammer lower section is provided with a circle
Positioning laser lamp.
3. the apparatus for measuring permeability coefficient of soil as claimed in claim 1, it is characterised in that：Pressure-measuring pipe is marked with graduation mark.
4. the apparatus for measuring permeability coefficient of soil as claimed in claim 1, it is characterised in that：The vertical frame height of the support can
Adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621221657.1U CN206146800U (en) | 2016-11-12 | 2016-11-12 | Osmotic coefficient measuring device of soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621221657.1U CN206146800U (en) | 2016-11-12 | 2016-11-12 | Osmotic coefficient measuring device of soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146800U true CN206146800U (en) | 2017-05-03 |
Family
ID=58626849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621221657.1U Expired - Fee Related CN206146800U (en) | 2016-11-12 | 2016-11-12 | Osmotic coefficient measuring device of soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206146800U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333092A (en) * | 2017-12-29 | 2018-07-27 | 青岛理工大学 | A kind of infiltration detection device and method |
| CN110376114A (en) * | 2019-08-27 | 2019-10-25 | 石河子大学 | Integrated soil infiltration rate measurement combination unit and measuring method |
| CN110595977A (en) * | 2019-08-19 | 2019-12-20 | 太原理工大学 | Test device and test method for testing permeability of sandy soil by gas-water coupling pressure |
-
2016
- 2016-11-12 CN CN201621221657.1U patent/CN206146800U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333092A (en) * | 2017-12-29 | 2018-07-27 | 青岛理工大学 | A kind of infiltration detection device and method |
| CN110595977A (en) * | 2019-08-19 | 2019-12-20 | 太原理工大学 | Test device and test method for testing permeability of sandy soil by gas-water coupling pressure |
| CN110376114A (en) * | 2019-08-27 | 2019-10-25 | 石河子大学 | Integrated soil infiltration rate measurement combination unit and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |